Oil pressure, pistons looking very oiled up, plus oil filter wrecked.

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02 Jun 2021 13:36 - 02 Jun 2021 16:12 #849486 by Appel03
Oil pressure, pistons looking very oiled up, plus oil filter wrecked. was created by Appel03
Hey fellow riders. 
I have this Kawasaki kz550 from 1982 that i have been restoring and turning into a cafe racer over the past year. 
Its running really great but i have this annoying oil leak at the front end of the motor (se pictures) 
I went to investigate the problem because i thought that it had something to do with oil pressure being to high.
i found the pistons to be coverd in oil and that would explain why it was smokeing badly. (Se pictures)
i then checked the pistons for wear and tear and they are within all specs. 
I then pulled the sump to find the oil pressure relief valve to check if that was okay and it seems okay
and in doing so i found the oil filter to be nearly torn apart. (Se pictures) 
Any sugestions to what might be wrong?  
Best regards, Lasse from Denmark :)  
Last edit: 02 Jun 2021 16:12 by Street Fighter LTD.

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02 Jun 2021 16:14 #849492 by Street Fighter LTD
Replied by Street Fighter LTD on topic Oil pressure, pistons looking very oiled up, plus oil filter wrecked.
Welcome to KZRider 
 I fixed your pictures 
 Please next time click insert all tab
Dave

Original owner 78 1000 LTD
Mr Turbo Race Kit, MTC 1075 Turbo pistons by PitStop Performance , Falicon Ultra Lite Super Crank, APE everything. Les Holt @ PDM's Billet Goodies . Frame by Chuck Kurzawa @ Logghe Chassis . Deep sump 5qt oil pan. RIP Bill Hahn
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02 Jun 2021 16:50 #849496 by TexasKZ
Replied by TexasKZ on topic Oil pressure, pistons looking very oiled up, plus oil filter wrecked.
I have never seen an oil filter do that. My first guess would be that it is a cheap, off-brand filter that disintegrated.
The oil on the pistons could be from bad valve stem seals, broken or stuck oil control rings, or a leaky head gasket. I am not familiar with that brand (Motor Gasket) so I have no opinion about it. Is that red rtv around one end of the cam chain tunnel?
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
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03 Jun 2021 05:06 #849525 by KZB2 650
Replied by KZB2 650 on topic Oil pressure, pistons looking very oiled up, plus oil filter wrecked.
If that's one of those green (Athena I think it is) base gaskets that's not good from what I've read either.
1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.
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03 Jun 2021 05:21 - 03 Jun 2021 05:23 #849527 by slmjim+Z1BEBE
Replied by slmjim+Z1BEBE on topic Oil pressure, pistons looking very oiled up, plus oil filter wrecked.
The way the center tube of the oil filter is crushed it looks like the filter is too long for the cavity it occupies.

Are you sure it's the correct filter, and that all the components (center bolt, washers/spacers/springs) are correct, present & in the correct order?

EDIT: Check the top of the filter cavity to make sure a past filter didn't leave behind a rubber gasket.

Good Ridin'
slmjim & Z1BEBE
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Last edit: 03 Jun 2021 05:23 by slmjim+Z1BEBE. Reason: Added content
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03 Jun 2021 10:05 #849545 by Appel03
Replied by Appel03 on topic Oil pressure, pistons looking very oiled up, plus oil filter wrecked.
The oil filter was a K&N and im 100% sure it was of the correct type because i matched it with the old filter i had in and all the components are there.  
Its not red RTV, but something similar from biltema(heat resistant liquid gasket)

Yes its the one from Athena, i cant find any other brand of gaskets in Denmark for my bike. 


 

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